Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.
Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.
The Team
Join us at the forefront of innovation as we build the future of AI. Our team, AI - Agentic Trust, is on a mission to create the world's leading Agentic Quality Management platform. We are pioneers, thinkers, and builders, dedicated to pushing the boundaries of what's possible in artificial intelligence. Our mindset is built on a foundation of critical thinking and relentless curiosity—we question everything to ensure we build truly exceptional solutions. If you thrive in a collaborative, team-first environment where your voice is heard and your ideas can shape the future, you belong with us.
Role
As a Senior Software Engineer in the Agentic Trust team, you will be a key architect and builder of our next-generation quality management platform. Your role is to design, develop, and maintain a highly concurrent, high-throughput platform designed for massive scale on Google Cloud Platform (GCP). This isn't just a coding position; we are looking for a strategic thinker who excels at architecting complex, distributed systems and leveraging the full power of AI-assisted coding tools. You will be instrumental in delivering the core components of a system that will redefine trust and quality in AI agents.
How You Contribute
Take a leading role in the design and architecture of cloud-native, distributed systems, applying a critical eye to solve challenges of scale and concurrency.
Write high-quality, efficient, and maintainable code in Java, working with SQL and NoSQL databases within the GCP ecosystem.
Embrace and champion a "question everything" mindset, actively participating in deep discussions to explore, challenge, and refine requirements.
Masterfully utilize AI-assisted coding tools (e.g., GitHub Copilot, Claude) as a core part of your development workflow, from planning and design to implementation and testing.
Collaborate effectively with all stakeholders, demonstrating exceptional communication skills to align teams and drive projects forward.
Foster a "team-first" culture by actively contributing, sharing knowledge, and working together to achieve collective success.
Take ownership of your work, ensuring that development milestones are met and that our solutions are built to the highest standards of quality and resilience.
Skills, Competencies, and Qualifications
Required:
Desirable:
Key Relationships
This role reports within the engineering management structure and has no direct reports.
Key stakeholders include:
Benefits:
Five9 embraces diversity and is committed to building a team that represents a variety of backgrounds, perspectives, and skills. The more inclusive we are, the better we are. Five9 is an equal opportunity employer.
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Note: Five9 will never request that an applicant send money as a prerequisite for commencing employment with Five9.

Five9 provides a comprehensive suite of CX solutions, powered by Five9 Genius AI, to elevate customer experiences that deliver better business outcomes in the era of The New CX. The New CX redefines how brands connect with customers through seamless and efficient AI-driven journeys that anticipate and meet each customer’s unique needs. Our unified cloud-native offering enables AI and human agents to create hyper-personalized customer experiences, so every customer interaction is more connected, effortless, and personal. Trusted by 3,000+ customers and 1,400+ partners globally, Five9 brings together the power of our AI, our platform, and our people to drive AI-elevated CX.